cottongin/crosspoint-reader
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Add page turn on power button press (#286)

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## Summary

* **What is the goal of this PR?** 
* This PR adds a setting to (additionally) map the forward page turn
onto the powerbutton when in `EPUBReaderActivity` and powerbutton short
press is not mapped to sleep mode. I find the powerbutton to be exactly
where my thumb is while reading so it is very convenient to map the
forwardpage turn to that. Maybe Im not alone with this ^^
* **What changes are included?**

## Additional Context

* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks, specific areas to
focus on).
This commit is contained in:
David Fischer 2026-01-12 10:07:26 +01:00 committed by GitHub
parent 66811bf50b
commit 97c4871316
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 13 additions and 4 deletions
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11
src/CrossPointSettings.h
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@ -52,6 +52,9 @@ class CrossPointSettings {
// E-ink refresh frequency (pages between full refreshes)
enum REFRESH_FREQUENCY { REFRESH_1 = 0, REFRESH_5 = 1, REFRESH_10 = 2, REFRESH_15 = 3, REFRESH_30 = 4 };
// Short power button press actions
enum SHORT_PWRBTN { IGNORE = 0, SLEEP = 1, PAGE_TURN = 2 };
// Sleep screen settings
uint8_t sleepScreen = DARK;
// Sleep screen cover mode settings
@ -61,8 +64,8 @@ class CrossPointSettings {
// Text rendering settings
uint8_t extraParagraphSpacing = 1;
uint8_t textAntiAliasing = 1;
// Duration of the power button press
uint8_t shortPwrBtn = 0;
// Short power button click behaviour
uint8_t shortPwrBtn = IGNORE;
// EPUB reading orientation settings
// 0 = portrait (default), 1 = landscape clockwise, 2 = inverted, 3 = landscape counter-clockwise
uint8_t orientation = PORTRAIT;
@ -88,7 +91,9 @@ class CrossPointSettings {
// Get singleton instance
static CrossPointSettings& getInstance() { return instance; }
uint16_t getPowerButtonDuration() const { return shortPwrBtn ? 10 : 400; }
uint16_t getPowerButtonDuration() const {
return (shortPwrBtn == CrossPointSettings::SHORT_PWRBTN::SLEEP) ? 10 : 400;
}
int getReaderFontId() const;
bool saveToFile() const;

2
src/activities/reader/EpubReaderActivity.cpp
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@ -152,6 +152,8 @@ void EpubReaderActivity::loop() {
const bool prevReleased = mappedInput.wasReleased(MappedInputManager::Button::PageBack) ||
mappedInput.wasReleased(MappedInputManager::Button::Left);
const bool nextReleased = mappedInput.wasReleased(MappedInputManager::Button::PageForward) ||
(SETTINGS.shortPwrBtn == CrossPointSettings::SHORT_PWRBTN::PAGE_TURN &&
mappedInput.wasReleased(MappedInputManager::Button::Power)) ||
mappedInput.wasReleased(MappedInputManager::Button::Right);
if (!prevReleased && !nextReleased) {

2
src/activities/reader/XtcReaderActivity.cpp
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@ -112,6 +112,8 @@ void XtcReaderActivity::loop() {
const bool prevReleased = mappedInput.wasReleased(MappedInputManager::Button::PageBack) ||
mappedInput.wasReleased(MappedInputManager::Button::Left);
const bool nextReleased = mappedInput.wasReleased(MappedInputManager::Button::PageForward) ||
(SETTINGS.shortPwrBtn == CrossPointSettings::SHORT_PWRBTN::PAGE_TURN &&
mappedInput.wasReleased(MappedInputManager::Button::Power)) ||
mappedInput.wasReleased(MappedInputManager::Button::Right);
if (!prevReleased && !nextReleased) {

2
src/activities/settings/SettingsActivity.cpp
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@ -21,7 +21,7 @@ const SettingInfo settingsList[settingsCount] = {
SettingInfo::Enum("Status Bar", &CrossPointSettings::statusBar, {"None", "No Progress", "Full"}),
SettingInfo::Toggle("Extra Paragraph Spacing", &CrossPointSettings::extraParagraphSpacing),
SettingInfo::Toggle("Text Anti-Aliasing", &CrossPointSettings::textAntiAliasing),
SettingInfo::Toggle("Short Power Button Click", &CrossPointSettings::shortPwrBtn),
SettingInfo::Enum("Short Power Button Click", &CrossPointSettings::shortPwrBtn, {"Ignore", "Sleep", "Page Turn"}),
SettingInfo::Enum("Reading Orientation", &CrossPointSettings::orientation,
{"Portrait", "Landscape CW", "Inverted", "Landscape CCW"}),
SettingInfo::Enum("Front Button Layout", &CrossPointSettings::frontButtonLayout,